image: A carrion crow nestling. Note the grey down feathers. This image relates to a paper that appeared in the 20 June, 2014, issue of Science, published by AAAS. The paper, by Jelmer Poelstra at Uppsala University in Uppsala, Sweden, and colleagues was titled, 'The genomic landscape underlying phenotypic integrity in the face of gene flow in crows.' view more
Credit: [Credit: Christen Bossu]